Hello. Welcome to Ask The Doctor. We are here to help you.
The most common cause of tingling on tongue is anxiety issues. However we have to be sure that there are no other causes behind it.
I would advice you to get your blood sugars, Vitamin B12 levels, thyroid profile done. Vitamin B12 deficiency is also a common cause behind this.
Other causes include dental issues causing multiple trauma over the tongue tip, Alcohol and substance abuse, oral ulcers.
So i would recommend you to get an dental check up done.
If all investigations come out to be normal I would say this is all due to anxiety and depression that you already suffer from.
I hope it helps you.
If you have any further query, please ask me.
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